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I changed the batteries of the Honeywell thermostat and on the screen it still shows low battery.

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Hello my name is Heath it will be my pleasure to assist you. Take the new batteries out and let the display go completely blank then reinstall the new batteries and the lo batt light should go off.

Posted on Nov 08, 2010

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My batteries died on mt heat control, I changed them and now have nothing


http://www.gogeisel.com/geiselonline/support/Honeywell/CT3300_CT3355.pdf this is the programming manual- they have a note that if you show low battery after replacing the battery- put the battery in backwards, wait 10 seconds, then put the battery in correctly again to reset it- you will have to reprogram the clock time and date and any settings you had previously.

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Honeywell DT200 thermostat is not responding to any buttons pressed. Display is showing small flame icon on left of screen and what looks like a battery in top right hand corner. Any suggestions?


The thermostat is calling for heat, and the battery icon means that the batteries are low and should be replaced. If the thermostat is wired to run on battery power alone, replacing the batteries usually corrects this problem. Hope this helps! Jim

Jan 29, 2011 | Honeywell Heating & Cooling

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We have a Honeywell T8132A1049 thermostat/ cooler- we can't find a manual for it. It also says Bat Low on the screen but I have replaced the batteries with brand new ones and tried resetting it .....


Here is a link where you can download the user manual. It says to remove the batteries, wait 1 hr, then install fresh batteries. When the page for diplodocs opens click on security number and enter the code it shows to download the manual.
http://safemanuals.com/314159.php?k=af5d595162dd03d6ac627239ba1fbecf&ID=530143&q=HONEYWELL%20T8132A

Jun 08, 2010 | Honeywell Heating & Cooling

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I have a cm921 thermostat with the correct batteries showing full charge. Yet the battery light is flashing and says battery low. Also displayed room temperature is a lot higher than the actual room...


HONEYWELL WEBSITE:
Go to honeywell.com
Under red welcome sign
Bottom red highlighted box literature/image search
Type in thermostat model number
Click on arrow to right
Then click on the PDF files owners manual / installation instructions
If you can’t find what you want, the bottom left and bottom of web
Page, they have homeowners assistance and Home products to get the help you need.

Feb 28, 2010 | Honeywell Programmable Thermostat Heater

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Even after replacing the battery, the programmable Honeywell thermostat still shows "Low Batt."


Turn control to off. Remove the batteries for at least one hour. If the display message still reads "bat lo", leave control off, batteries out, and disconnect the red wire on back and wait another hour. Reconnect red wire, put new batteries in and turn system on. It's like a reboot.

Jan 26, 2010 | Honeywell Programmable Thermostat Heater

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Screen says bat low


Found the manual online and it said to put the batteries in backwards for at least 5 seconds to re-set the thermostat. Amazingly, this worked.

Oct 01, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

Honeywell Programmable Thermostat Display issues


there are currently 60 honeywell thermostats made i have no idea witch one you have , but a lot of the new ones run on batterys you might be seeing a low battery signal . look for a door where batterys might be and replace them

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